#include <Adafruit_NeoPixel.h>

#define PIN 6
#define NUMPIXELS 8

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int buttonPin = 2;
int buttonState = 0;
int lastButtonState = 0;
int color = 0;

void setup() {
  pixels.begin();
  pinMode(buttonPin, INPUT_PULLUP);
}

void loop() {
  buttonState = digitalRead(buttonPin);
  Serial.println(buttonState);
  if (buttonState != lastButtonState) {
    if (buttonState == LOW) {
      color = !color;
      if (color) {
        for (int i = 0; i < NUMPIXELS; i++) {
          pixels.setPixelColor(i, pixels.Color(255, 0, 0));
        }
      } else {
        for (int i = 0; i < NUMPIXELS; i++) {
          pixels.setPixelColor(i, pixels.Color(0, 0, 255));
        }
      }
      pixels.show();
    }
    delay(50);
  }
  buttonState = i;
  lastButtonState = buttonState;
  
}